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Finding the Fourth Proportional to 133,496.51, 184,224.50 and 72,242.65

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Solution

The fourth proportional to 133,496.51, 184,224.50 and 72,242.65 is: 99,694.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,496.51 : 184,224.50 = 72,242.65 : x
  2. Step 2: Convert to fraction form
    133,496.51/184,224.50 = 72,242.65/x
  3. Step 3: Cross multiply
    133,496.51x = 184,224.50 × 72,242.65
  4. Step 4: Simplify right side
    133,496.51x = 13,308,865,640.89
  5. Step 5: Solve for x
    x = 13,308,865,640.89/133,496.51
  6. Step 6: Final answer
    x = 99,694.49

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.